參數(shù)資料
型號： EVAL-AD7607EDZ
廠商： Analog Devices Inc
文件頁數(shù)： 3/32頁
文件大?。?/td> 0K
描述： EVAL BOARD FOR AD7607
標(biāo)準(zhǔn)包裝： 1
ADC 的數(shù)量： 1
位數(shù)： 14
采樣率（每秒）： 200k
數(shù)據(jù)接口： DSP，MICROWIRE?，QSPI?，串行，SPI?
在以下條件下的電源（標(biāo)準(zhǔn)）： 80mW @ 200kSPS
工作溫度： -40°C ~ 85°C
已用 IC / 零件： AD7607
已供物品： 板
Data Sheet
AD7607
Rev. B | Page 11 of 32
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
AD7607
TOP VIEW
(Not to Scale)
64 63 62
61
60 59 58
57
V
1G
ND
56 55 54 53 52 51 50 49
V5
V4
V6
V3
V2
V1
PIN 1
V7
V8
V
2G
ND
V
3G
ND
V
4G
ND
V
5G
ND
V
6G
ND
V
7G
ND
V
8G
ND
DB13
DB12
DB11
DB14/
HBE
N
V
DRI
V
E
DB1
17 18
19
20
21 22 23
24 25
AG
ND
26
27 28 29 30 31 32
DB2
DB3
DB4
DB5
DB6
DB7/
D
O
UT
A
DB9
DB10
DB8/
D
O
UT
B
AGND
AVCC 1
3
4
FRSTDATA
7
6
5
OS 2
2
8
9
10
12
13
14
15
16
11
DB0
BUSY
CONVST B
CONVST A
RANGE
RESET
RD/SCLK
CS
PAR/SER/BYTE SEL
OS 1
OS 0
STBY
DECOUPLING CAP PIN
DATA OUTPUT
POWER SUPPLY
ANALOG INPUT
GROUND PIN
DIGITAL OUTPUT
DIGITAL INPUT
REFERENCE INPUT/OUTPUT
DB15/BYTE SEL
REFIN/REFOUT
48
46
45
42
43
44
47
41
40
39
37
36
35
34
33
38
AGND
AVCC
REFGND
REFCAPA
AGND
REFCAPB
REFGND
REGCAP
AVCC
REF SELECT
08096-
008
Figure 8. Pin Configuration
Table 6. Pin Function Descriptions
Pin No.
Type1
Mnemonic
Description
1, 37, 38, 48
P
AVCC
Analog Supply Voltage, 4.75 V to 5.25 V. This supply voltage is applied to the internal front-end
amplifiers and to the ADC core. These supply pins should be decoupled to AGND.
2, 26, 35, 40,
41, 47
P
AGND
Analog Ground. These pins are the ground reference points for all analog circuitry on the AD7607.
All analog input signals and external reference signals should be referred to these pins. All six of
these AGND pins should connect to the AGND plane of a system.
5, 4, 3
DI
OS[2:0]
Oversampling Mode Pins. Logic inputs. These inputs are used to select the oversampling ratio. OS
2 is the MSB control bit, and OS 0 is the LSB control bit. See the Digital Filter section for more
details about the oversampling mode of operation and Table 9 for oversampling bit decoding.
6
DI
PAR/SER/
BYTE SEL
Parallel/Serial/Byte Interface Selection Input. Logic input. If this pin is tied to a logic low, the parallel
interface is selected. If this pin is tied to a logic high, the serial interface is selected. Parallel byte
interface mode is selected when this pin is logic high and DB15/BYTE SEL is logic high (see Table 8).
In serial mode, the RD/SCLK pin functions as the serial clock input. The DB7/DOUTA pin and the
DB8/DOUTB pin function as serial data outputs. When the serial interface is selected, the DB[15:9] and
DB[6:0] pins should be tied to ground.
In byte mode, DB15, in conjunction with PAR/SER/BYTE SEL, is used to select the parallel byte mode
of operation (see Table 8). DB14 is used as the HBEN pin. DB[7:0] transfer the 16-bit conversion
results in two RD operations, with DB0 as the LSB of the data transfers.
7
DI
STBY
Standby Mode Input. This pin is used to place the AD7607 into one of two power-down modes:
standby mode or shutdown mode. The power-down mode entered depends on the state of the
RANGE pin, as shown in Table 7. When in standby mode, all circuitry, except the on-chip reference,
regulators, and regulator buffers, is powered down. When in shutdown mode, all circuitry is powered
down.
8
DI
RANGE
Analog Input Range Selection. Logic input. The polarity on this pin determines the input range
of the analog input channels. If this pin is tied to a logic high, the analog input range is ±10 V for all
channels. If this pin is tied to a logic low, the analog input range is ±5 V for all channels. A logic
change on this pin has an immediate effect on the analog input range. Changing this pin during
a conversion is not recommended. See the Analog Input section for more information.
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